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Description: Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use the traditional method. Identify the null and alternative hypotheses, test statistic, critical value(s),and state the final co

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use the traditional method. Identify the null and alternative hypotheses, test statistic, critical value(s),and state the final conclusion that addresses the original claim. Use a significance level of a=0.05 to test the claim that population mean=32.6 The sample data consist of 15 scores for which x=42.5 and s=5.9. Use the traditional method of testingn hypotheses.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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